TPS54231D

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Details for Texas Instruments

TPS54231D

3.5 to 28V Input, 2A, 570kHz Step-Down Converter with Eco-mode™
Buy Directly from Texas Instruments (6118 in Stock)
$0.6600 per unit
Series Information for TPS54231D - Texas Instruments

Features

  • feature
    3.5- to 28-V Input Voltage Range
  • feature
    Adjustable Output Voltage Down to 0.8 V
  • feature
    Adjustable Slow-Start Limits Inrush Currents
  • feature
    Available in Easy-to-Use SOIC8 Package
  • feature
    Cycle-by-Cycle Current Limit, Frequency Fold Back and Thermal Shutdown Protection
  • feature
    Fixed 570-kHz Switching Frequency
  • feature
    High Efficiency at Light Loads with a Pulse Skipping Eco-modeu2122
  • feature
    Integrated 80-mu2126 High-Side MOSFET Supports up to 2 A Continuous Output Current
  • feature
    Overvoltage Transient Protection
  • feature
    Programmable UVLO Threshold
  • feature
    Supported by WEBENCHu00ae
  • feature
    Typical 1-u03bcA Shutdown Quiescent Current

Description

IC STEP-DN SWIFT CONV 2A 8-SOIC
The TPS54231 device is a 2-V, 2-A non-synchronous buck converter that integrates a low RDS(on) high-side MOSFET. To increase efficiency at light loads, a pulse skipping Eco-mode™ feature is automatically activated. Furthermore, the 1-μA shutdown supply current allows the device to be used in battery powered applications. Current mode control with internal slope compensation simplifies the external compensation calculations and reduces component count while allowing the use of ceramic output capacitors. A resistor divider programs the hysteresis of the input undervoltage lockout. An overvoltage transient protection circuit limits voltage overshoots during startup and transient conditions. A cycle-bycycle current limit scheme, frequency fold back and thermal shutdown protect the device and the load in the event of an overload condition. The TPS54231 device is available in an 8-pin SOIC package that has been internally optimized to improve thermal performance.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
3.5V
Input Voltage Max:
28V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
SOIC
No. of Pins:
8Pins
Output Current:
2A
Output Voltage Min:
800mV
Output Voltage Max:
25V
Switching Frequency:
570kHz
Operating Temperature Max:
150°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Max:
25V
Adjustable Output Voltage Min:
800mV
Base Number:
54231
Frequency:
570kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +150°C
Output Voltage:
3.3V
Primary Input Voltage:
28V
Supply Voltage Min:
3.5V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down (Buck)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 3.5V to 28V 8-Pin SOIC Tube

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 3.5V to 28V 8-Pin SOIC Tube

Avnet Europe product

Texas Instruments

3.5 to 28V Input, 2A, 570kHz Step-Down Converter with Eco-mode™

Texas Instruments product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

Conrad product